1. 1A present tense verb be +, subject pronouns: I, you, etc.
positive form
Full form Contraction
I am your teacher. I’m your teacher.
You are in room 7. You’re in room 7.
He is Mike. He’s Mike.
She is Hannah. She’s Hannah.
It is a school. It’s a school.
We are students. We’re students.
You are in Class 2. You’re in Class 2.
They are teachers. They’re teachers.

2. 1A present tense verb be +, subject pronouns: I, you, etc.
• Always use a subject pronoun (you, he, etc.) with a verb, e.g.
It’s a school. NOT Is a school.
They’re teachers. NOT Are teachers.
• Always use capital I, e.g. He’s Mike and I’m Sally. NOT i’m Sally. With other pronouns only use a capital letter when it’s the first word in a sentence.
• you = singular and plural.
• Use he for a man, she for a woman, and it for a thing.
• Use they for people and things.
Contractions
• In contractions ’ = a missing letter, e.g. ’m = am
• We use contractions in conversation and in informal writing, e.g. an to a friend.